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Finding the Fourth Proportional to 165,993.78, 248,990.52 and 60,820.94

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Solution

The fourth proportional to 165,993.78, 248,990.52 and 60,820.94 is: 91,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,993.78 : 248,990.52 = 60,820.94 : x
  2. Step 2: Convert to fraction form
    165,993.78/248,990.52 = 60,820.94/x
  3. Step 3: Cross multiply
    165,993.78x = 248,990.52 × 60,820.94
  4. Step 4: Simplify right side
    165,993.78x = 15,143,837,477.49
  5. Step 5: Solve for x
    x = 15,143,837,477.49/165,993.78
  6. Step 6: Final answer
    x = 91,231.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.